pH7 Hydrion Buffer Capsules x 50

Hydrion Buffers are free flowing soluble powders that prepare clear solutions into accurate pH buffering solutions in minutes. These capsules are used to cailbrate pH meters to a pH neutral reading of pH7.

• Perfect for quick and easy pH meter calibration.
• Will accurately produce 100mL Buffer Solution when mixed with distilled or de-ionised water.
• Hydrion Buffer capsules contain free-flowing soluble powder that prepare clear and/or colour safe solutions in minutes.
• Shelf life of prepared solution is 3 weeks when stored at room temperature in clean, air-tight bottle.
• Directly traceable to NIST standard and certified to ± 0.02 pH units at 25 °C.

Directions for use:

1. Empty the contents of a Hydrion pH Buffer Capsule into 100ml. of de-ionised or distilled water and mix.
2. Store at room temperature in clean airtight bottles. Stored in this way the prepared solutions will last for three weeks.